Re: [PATCH 0/8] device async action mechanism

[Arjan van de Ven]

Henrique de Moraes Holschuh wrote:
> On Thu, 16 Jul 2009, Zhang Rui wrote:
> > the kernel device suspend time is reduced from 3.2s to 2.8s after
> > applying this patch set in my test box.
>
> It will give even a bigger boot time saving on ThinkPads, where there is a
> Synaptics (or ALPS if you are unlucky) touchpad with the trackpoint behind
> it... it takes about 2s to init both devices here.  That's two seconds of
> boot time you can shove off if it is being initialized assyncronously :-)

that's a different problem that I don't think this will solve; as long
as you keep the boot of the kernel wait for all async actions, you're going
to hit that wait. In Moblin we have a (bad) patch to not do the wait,
at some point we need to figure how to get a mainline-able patch....
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